JPH01142210U - - Google Patents
Info
- Publication number
- JPH01142210U JPH01142210U JP3778088U JP3778088U JPH01142210U JP H01142210 U JPH01142210 U JP H01142210U JP 3778088 U JP3778088 U JP 3778088U JP 3778088 U JP3778088 U JP 3778088U JP H01142210 U JPH01142210 U JP H01142210U
- Authority
- JP
- Japan
- Prior art keywords
- carrier
- signal
- frequency converter
- extraction circuit
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000605 extraction Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
Description
第１図は本考案の一実施例の構成図、第２図は
従来の構成による非搬送波の入力レベルと出力に
おける非搬送のキヤリアリークを示す特性図であ
る。
１，３……入力端子、２……周波数変換回路、
４……出力端子、５……ｆｃ調整回路、６……漏
れ抽出回路、７……レベル制御回路、８……制御
回路。
FIG. 1 is a configuration diagram of an embodiment of the present invention, and FIG. 2 is a characteristic diagram showing the input level of a non-carrier wave and the non-carrier carrier leak in the output according to a conventional configuration. 1, 3...Input terminal, 2...Frequency conversion circuit,
4...Output terminal, 5...FC adjustment circuit, 6...Leakage extraction circuit, 7...Level control circuit, 8...Control circuit.
Claims (1)
波信号を入力してこれら各信号の和または差の周
波数信号を出力する周波数変換器と、この周波数
変換器の出力信号から非搬送波信号を分離して出
力する非搬送波抽出回路と、この非搬送波抽出回
路からの出力レベルを最小レベルとするように第
２の入力端子からの非搬送波信号を制御して前記
周波数変換器に供給するレベル制御回路とを備え
ることを特徴とする周波数変換装置。 a frequency converter that inputs a non-carrier signal and a carrier signal from a first input terminal and outputs a frequency signal of the sum or difference of these respective signals; and a frequency converter that separates the non-carrier signal from the output signal of the frequency converter. a non-carrier extraction circuit that outputs a non-carrier wave extraction circuit; and a level control circuit that controls a non-carrier wave signal from a second input terminal so as to make the output level from the non-carrier extraction circuit a minimum level, and supplies the non-carrier wave signal to the frequency converter. A frequency conversion device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3778088U JPH01142210U (en) | 1988-03-22 | 1988-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3778088U JPH01142210U (en) | 1988-03-22 | 1988-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01142210U true JPH01142210U (en) | 1989-09-29 |
Family
ID=31264355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3778088U Pending JPH01142210U (en) | 1988-03-22 | 1988-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01142210U (en) |
-
1988
- 1988-03-22 JP JP3778088U patent/JPH01142210U/ja active Pending
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